Circulo 9
Encoder Specifications Position 1 (inner) Position 2 (outer)
Operating principle Off-axis magnetic field scanning
Scanning principle 2 arrays of Hall sensors for 2 magnetic tracks
Interface BiSS
Encoder resolution 20 bit
Absolute position On both encoders
Multiturn resolution 18 bit (battery based)
Maximum speed 6000 RPM
1.2.1.3.1 Accuracy and repeatability of the integrated encoders
Circulo 7
Accuracy / repeatability Position 1 (inner) Position 2 (outer)
Accuracy ±90” *
±0.025°
±72” *
±0.02°
Repeatability ±14”
±0.0039°
±25”
±0.0069°
Circulo 9
Accuracy / repeatability Position 1 (inner) Position 2 (outer)
Accuracy ±72” *
±0.02°
±72” *
±0.02°
Repeatability ±8”
±0.0022°
±13”
±0.0036°
* The specified accuracy corresponds to the encoder-related errors only. Installation-related errors such as
runout and eccentricity are not considered. For more details see Encoder accuracy.